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(11)

EP 1 730 802 A1

(12)

(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05789669.8 (22) Date of filing: 29.03.2005

(51) International Patent Classification (IPC):  H01M 4/58(2006.01) (86) International application number: PCT/KR2005/000909 (87) International publication number: WO 2006/004279 (12.01.2006 Gazette 2006/02)

(84) Designated Contracting States: DE FR GB (30) Priority: 29.03.2004 KR 2004021205 (71) Applicant: LG Chem, Ltd. Youngdungpo-gu, Seoul 150-721 (KR)	(72) Inventors: PARK, Hey Woong Yuseong-gu Daejeon 305-753 (KR) YU, Ji-Sang Daejeon 305-338 (KR) KIM, Sung-Woo Yuseong-gu Daejeon 305-340 (KR) KIM, Min Su Seo-gu Daejeon 302-775 (KR) (74) Representative: HOFFMANN EITLE  Patent- und Rechtsanwälte Arabellastrasse 4 81925 München 81925 München (DE)